drivers/pci/pci.h

   1 /* Functions internal to the PCI core code */
   2
   3 extern int pci_hotplug (struct device *dev, char **envp, int num_envp,
   4                          char *buffer, int buffer_size);
   5 extern void pci_create_sysfs_dev_files(struct pci_dev *pdev);
   6 extern int pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res,
   7                                   unsigned long size, unsigned long align,
   8                                   unsigned long min, unsigned int type_mask,
   9                                   void (*alignf)(void *, struct resource *,
  10                                                  unsigned long, unsigned long),
  11                                   void *alignf_data);
  12 /* PCI /proc functions */
  13 #ifdef CONFIG_PROC_FS
  14 extern int pci_proc_attach_device(struct pci_dev *dev);
  15 extern int pci_proc_detach_device(struct pci_dev *dev);
  16 extern int pci_proc_attach_bus(struct pci_bus *bus);
  17 extern int pci_proc_detach_bus(struct pci_bus *bus);
  18 #else
  19 static inline int pci_proc_attach_device(struct pci_dev *dev) { return 0; }
  20 static inline int pci_proc_detach_device(struct pci_dev *dev) { return 0; }
  21 static inline int pci_proc_attach_bus(struct pci_bus *bus) { return 0; }
  22 static inline int pci_proc_detach_bus(struct pci_bus *bus) { return 0; }
  23 #endif
  24
  25 /* Functions for PCI Hotplug drivers to use */
  26 extern struct pci_bus * pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, int busnr);
  27 extern unsigned int pci_do_scan_bus(struct pci_bus *bus);
  28 extern int pci_remove_device_safe(struct pci_dev *dev);
  29 extern unsigned char pci_max_busnr(void);
  30 extern unsigned char pci_bus_max_busnr(struct pci_bus *bus);
  31 extern int pci_bus_find_capability (struct pci_bus *bus, unsigned int devfn, int cap);
  32
  33 struct pci_dev_wrapped {
  34         struct pci_dev  *dev;
  35         void            *data;
  36 };
  37
  38 struct pci_bus_wrapped {
  39         struct pci_bus  *bus;
  40         void            *data;
  41 };
  42
  43 struct pci_visit {
  44         int (* pre_visit_pci_bus)       (struct pci_bus_wrapped *,
  45                                          struct pci_dev_wrapped *);
  46         int (* post_visit_pci_bus)      (struct pci_bus_wrapped *,
  47                                          struct pci_dev_wrapped *);
  48
  49         int (* pre_visit_pci_dev)       (struct pci_dev_wrapped *,
  50                                          struct pci_bus_wrapped *);
  51         int (* visit_pci_dev)           (struct pci_dev_wrapped *,
  52                                          struct pci_bus_wrapped *);
  53         int (* post_visit_pci_dev)      (struct pci_dev_wrapped *,
  54                                          struct pci_bus_wrapped *);
  55 };
  56
  57 extern int pci_visit_dev(struct pci_visit *fn,
  58                          struct pci_dev_wrapped *wrapped_dev,
  59                          struct pci_bus_wrapped *wrapped_parent);
  60
  61 /* Lock for read/write access to pci device and bus lists */
  62 extern spinlock_t pci_bus_lock;
  63
  64 extern int pciehp_msi_quirk;
  65 extern struct device_attribute pci_dev_attrs[];